Transmission with integrated electric motor

The unit has a gearbox unit (5) with at least one input and output (7) and a housing (11) and at least one electrical machine (12) operable as an electric motor with a rotor (13) and a stator unit (14). The electrical machine is integrated into the housing of the gearbox unit and the rotor is joined to rotate with a power transfer element between the input and the output. AN Independent claim is also included for the following: a drive system with a drive machine and drive unit.